Lexmark W820 - Optra B/W Laser Printer Service Manual page 177

Removal
1.
Remove the Cover-Jogging.
2.
Remove the Cover-Top, Front and Cover-Top, Rear.
3.
Remove the Sensor Assembly.
WARNING: In the following steps, do not detach the Bracket far away because the
connector (P/J 8) of the Sensor (Front) is still connected.
4.
Remove the screw that secures the Bracket (Front) to the Finisher, and lift up the
Bracket (Front) together with the Sensor (Front).
5.
Unplug the connector (P/J 8) of the Harness Sensor from the Sensor (Front).
6.
Unhook the Sensor (Front) at three places, and remove the Sensor (Front) from the
Bracket (Front).
7.
Unplug the connector (P/J 9) of the Harness Sensor from the Sensor (Rear).
8.
Remove the screw that secures the Bracket (Rear) to the Finisher, and remove the
Bracket (Rear) together with the Sensor (Rear).
9.
Unhook the Sensor (Rear) at three places, and remove the Sensor (Rear) from the
Bracket (Rear).
Replacement
Note: In the following steps, the procedure for mounting the Sensor and Bracket on the
front is the same as for mounting the ones on the rear. Apply the same procedure to the
rear.
1.
Insert the connector of the Sensor (Front) into the hole in the Bracket (Front), align
the Sensor (Front) with the mounting position in the Bracket (Front), hook it at three
places.
2.
Plug the connector (P/J 8) of the Harness Sensor to the Sensor (Front).
3.
Align the Bracket (Front), together with the Sensor (Front), with the mounting
positions in the Finisher, and secure them with a screw.
4.
Mount the Sensor Assembly.
5.
Mount the Cover-Top, Front and Cover-Top, Rear.
6.
Mount the Cover-Jogging.
4025-Finisher
Removal and Replacement Procedures
4-69